Hybrid tea rose plant named ‘Meiceazar’

ABSTRACT

A new and distinct Hybrid Tea rose plant is provided that forms abundantly and substantially continuously attractive very double blossoms which display a strong fragrance. The growth habit is bushy, and very strong vegetation is formed. The vegetation is dense and bears a semi-glossy aspect on the upper surface and contrasts nicely with the red blossom coloration. The disease tolerance is very good particularly with respect to black spot. The plant is well suited for providing attractive ornamentation in parks and gardens.

Botanical/commercial classification: Rosa hybrida/Hybrid Tea Rose Plant.

Varietal denomination: cv. Meiceazar.

SUMMARY OF THE INVENTION

The new variety of Rosa hybrida Hybrid Tea rose plant was created byartificial pollination wherein two parents were crossed which previouslyhad been studied in the hope that they would contribute the desiredcharacteristics. The female parent (i.e., the seed parent) was theproduct of the cross of the ‘Meivilese’ variety (non-patented in theUnited States) and ‘Duc de Windsor’ variety (non-patented in the UnitedStates). The male parent (i.e., the pollen parent) was the ‘Deep Secret’variety (non-patented in the United States).

The parentage of the new variety can be summarized as follows:(‘Meivilese’×‘Duc de Windsor’)×‘Deep Secret’.

The seeds resulting from the above pollination were sown and smallplants were obtained which were physically and biologically differentfrom each other. Selective study resulted in the identification of asingle plant of the new variety.

It was found that the new Hybrid Tea rose plant of the presentinvention:

-   -   (a) displays a bushy growth habit with very strong vegetation,    -   (b) forms in abundance on a substantially continuous basis        attractive very double pure red blossoms which display a strong        fragrance,    -   (c) exhibits very dense semi-glossy dark green foliage that        contrasts nicely with the red blossom coloration,    -   (d) displays good disease tolerance particularly with respect to        black spot, and    -   (e) is well suited for providing attractive ornamentation in        parks and gardens.

The blooming tends to commence medium in the season, during observationsto date.

The new variety well meets the needs of the horticultural industry andcan be grown to advantage in the landscape where attractiveornamentation is to be provided.

The new variety can be readily distinguished from its ancestors. Morespecifically, the ‘Meivilese’ variety displays smaller foliage. Whencompared to the ‘Duc de Windsor’ and ‘Deep Secret’ varieties, theblossoms of the new variety display more petals. The female parent(‘Meivilese’×‘Duc de Windsor’) has fewer petals than the new variety andis dark pink in coloration.

The new variety has been found to undergo asexual propagation in Franceby a number of routes, including budding, grafting, and the use ofcuttings. Asexual propagation by the above-mentioned techniques at LeCannet des Maures, Var, France, has shown that the characteristics ofthe new variety are stable and are strictly transmissible by suchasexual propagation from one generation to another. Accordingly, the newvariety undergoes asexual propagation in a true-to-type manner.

The new variety has been named ‘Meiceazar’.

BRIEF DESCRIPTION OF THE PHOTOGRAPH

The accompanying photograph shows as nearly true as it is reasonablypossible to make the same, in a color illustration of this character,typical specimens of the plant parts of the new variety. The rose plantsof the new variety were approximately one year of age and were observedduring July while budded on Rosa coriifolia var. froebelii understock atLe Cannet des Maures, Var, France.

FIG. 1—illustrates a specimen of a young shoot;

FIG. 2—illustrates a specimen of floral bud at the opening of thesepals;

FIG. 3—illustrates a specimen of floral bud at the opening of thepetals;

FIG. 4—illustrates a specimen of a flower in the course of opening.

FIG. 5—illustrates a specimen of a newly open flower—plan view—obverse;

FIG. 6—illustrates a specimen of an open flower—plan view—obverse;

FIG. 7—illustrates a specimen of a fully open flower—plan view—reverse;

FIG. 8—illustrates a specimen of a fully open flower—plan view—obverse;

FIG. 9—illustrates a specimen of a fully open flower—plan view—reverse;

FIG. 10—illustrates a specimen of a floral receptacle showing thearrangement of the stamens and pistils;

FIG. 11—illustrates a specimen of a floral receptacle showing thearrangement of the pistils (stamens removed);

FIG. 12—illustrates a specimen of a flowering stem;

FIG. 13—illustrates a specimen of a leaf with three leaflets—planview—upper surface;

FIG. 14—illustrates a specimen of a leaf with five leaflets—planview—under surface; and

FIG. 15—illustrates a specimen of a leaf with seven leaflets—planview—upper surface.

DETAILED BOTANICAL DESCRIPTION

The chart used in the identification of the colors is that of The RoyalHorticultural Society (R.H.S. Colour Chart). The description is based onthe observation of one-year-old plants during July while budded on Rosacoriifolia var. froebelii understock and growing outdoors at Le Cannetdes Maures, Var, France.

-   Class: Hybrid Tea.-   Plant:    -   -   Growth habit.—Bushy.        -   Height.—Approximately 90-120 cm on average.        -   Spread.—Approximately 70-80 cm on average.-   Branches:    -   -   Stem size.—Length: commonly approximately 45 cm on average;            Diameter commonly approximately 1 cm on average.        -   Color.—Young stems: near Yellow-Green Group 146C. Adult            wood: near Yellow-Green Group 146B.        -   Thorns.—On young stems: Configuration: with an oval base.            Small prickles: Quantity: commonly 8 on average over a stem            length of 10 cm. Length: approximately 1 mm on average.            Color: near Greyed-Orange Group 174C. Long prickles:            Configuration: with an oval base. Quantity: approximately 5            on average on a stem length of 10 cm. Length: approximately            5 mm on average. Color: near Greyed-Orange Group 174C. On            adult stems: Small prickles: Configuration: slightly curved            downwards on the upper surface and concave on the under            surface with an oval base. Quantity: approximately 1 on            average over a stem length of 10 cm. Length: approximately 2            mm on average. Color: near Greyed-Orange Group 164C. Long            prickles: Configuration: slightly curved downwards on the            upper surface and concave on the under surface with an oval            base. Quantity: approximately 7 on average on a stem length            of 10 cm. Length: approximately 7 mm on average, Color: near            Greyed-Orange Group 164C.-   Leaves:    -   -   Size.—Overall size of a 5-leaflet leaf: Length:            approximately 11 cm on average; width: approximately 8 cm on            average.        -   Stipules.—Adnate, pectinate, rather broad, approximately 1.8            cm in length on average, approximately 0.6 cm in width on            average, near Yellow-Green Group 148C on the upper surface,            and near Yellow-Green Group 146D on the under surface.        -   Petioles.—Upper surface: near Yellow-Green Group 146A in            coloration. Under surface: near Yellow-Green Group 146C in            coloration. Length: approximately 3 cm on average for the            terminal leaflet. Diameter: approximately 0.6-0.7 mm on            average. Texture: non-glandular on the upper surface, and            commonly with a few prickles on the under surface.        -   Rachis.—Upper surface: near Yellow-Green Group 152C in            coloration. Under surface: near Yellow-Green Group 146C in            coloration. Length: approximately 3 cm on average. Diameter:            approximately 4 mm on average.        -   Leaflets.—Number: 3, and most often 5 and 7. Shape:            generally oval with an acuminate tip and an obtuse base,            Size: the terminal leaflets commonly are approximately 7.5            cm in length on average and approximately 4.5 to 6 cm in            width on average. Edges: slightly denticulate. Serration:            small and single as illustrated). Texture: physically firm            and leathery. Color (young foliage): Upper surface: near            Yellow-Green Group 147B. Under surface: near Yellow-Green            Group 148B. Color (adult foliage): Upper surface: near            Yellow-Green Group 146A. Under surface: near Yellow-Green            Group 146B.-   Inflorescence:    -   -   Number of flowers.—Commonly 1 blossom per stem.        -   Peduncle.—Commonly pubescent, approximately 6 cm in length            on average, approximately 4 mm in diameter on average, and            near Yellow-Green Group 146C with some anthocyanin            coloration near Greyed-Purple Group 178A in coloration.        -   Sepals.—Upper surface: tomentose and near Yellow-Green Group            147C in coloration. Under surface: smooth and near            Yellow-Green Group 146C in coloration. Shape: longish and            narrow, and somewhat upright at the base. Size:            approximately 3.5 cm in length on average, and approximately            1 cm in width at the widest point on average.        -   Buds.—Shape: substantially conical. Size: large. Length:            approximately 3.2 cm on average. Width: approximately 2.9 cm            at the widest point on average. Color as calyx breaks: near            Red Group 46A commonly suffused with darker than Red Group            53A on the upper surface, and near Red Group 53A on the            under surface.        -   Flower.—Shape: cup-shaped. Diameter: approximately 12 cm on            average. Depth: approximately 7-8 cm on average. Color (in            the course of opening): Upper surface: near Red Group 46A            commonly suffused with darker than Red Group 53A. Under            surface: near Red Group 53A. Color (open flower): Upper            side: near Red Group 46A commonly suffused with darker than            Red Group 53B. Under side: near Red Group 53B. Fragrance:            strong. Petal number: approximately 45 on average under            normal growing conditions. Petal shape: with a substantially            rounded tip and an obtuse base. Petal texture: leathery and            somewhat firm. Petal length: approximately 6 cm on Average.            Petal width: approximately 6.5 to 7 cm on average. Petal            arrangement: imbricated, and without petaloids. Petal drop:            good with the petals commonly detaching cleanly before            drying. Stamen number: approximately 158 on average.            Anthers: regularly arranged around the styles, approximately            3 mm in length and 1 mm in diameter on average, and near            Yellow-Orange Group 22A in coloration. Filaments:            approximately 4 to 7 mm in length on average, and near Red            Group 45A in coloration. Pollen: none available for            observation. Pistils: approximately 95 on average. Stigmas:            approximately 1 mm in length and 1 mm in diameter on            average, and near Red Group 45B in coloration. Styles:            approximately 5 mm in length on average, and near Yellow            Group 2D in coloration. Receptacle: smooth, funnel-shaped in            longitudinal section, approximately 8 mm in length on            average, approximately 1.3 cm in width on average at the            widest point, and near Yellow-Green Group 146C in            coloration.-   Development:    -   -   Vegetation.—Very strong.        -   Blooming.—Medium season, very abundant and substantially            continuous.        -   Tolerance to Diseases.—Good particularly with respect to            black spot.

The new ‘Meiceazar’ variety has not been observed under all possibleenvironmental conditions to date. Accordingly, it is possible that thephenotypic expression may vary somewhat with changes in light intensityand duration, cultural practices, and other environmental conditions.

I claim:
 1. A new and distinct Hybrid Tea rose plant characterized bythe following characteristics: (a) displays a bushy growth habit withvery strong vegetation, (b) forms in abundance on a substantiallycontinuous basis attractive very double pure red blossoms which displaya strong fragrance, (c) exhibits very dense semi-glossy dark greenfoliage that contrasts nicely with the red blossom coloration, (d)displays good tolerance to disease particularly with respect to blackspot, and (e) is well suited for providing attractive ornamentation inparks and gardens; substantially as shown and described.